Date & Time: 7/7/2024 ~12:00 PM EST
Frequency: Permanent
World name: Balmung
Character name: Naya Faulke (but it is there for my husband as well, so it's not just my character)
NPC name: Otis
Area and coordinates: Tuliyollal, X13.6 Y14.3

Steps:
1. Accept main story quest "Drowned Vestiges"
2. Before making any progress on the quest, go to Tuliyollal
3. The NPC Otis is at the location described above, with the dialogue he has if you speak with him in Heritage Found (he is still in Heritage Found as well)

Screenshot of Otis in both locations: